:root{--lb-bg:#07110f;--lb-panel:#0d1917;--lb-panel2:#11211d;--lb-text:#e8f1ed;--lb-muted:#8fa39b;--lb-line:#20352f;--lb-accent:#b9ead7}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--lb-bg);color:var(--lb-text);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}
a{color:inherit;text-decoration:none}
.lb-product-shell{min-height:100vh;display:grid;grid-template:64px 1fr 64px/240px 1fr;grid-template-areas:"header header" "sidebar main" "footer footer"}
.lb-shell-header{grid-area:header;display:flex;align-items:center;gap:18px;padding:0 24px;border-bottom:1px solid var(--lb-line);background:#07110ff2;position:sticky;top:0;z-index:10}
.lb-brand{font-weight:800;letter-spacing:.02em}.lb-product-name{padding-left:18px;border-left:1px solid var(--lb-line);color:var(--lb-accent);font-weight:700}
.lb-shell-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.lb-shell-actions a{padding:8px 10px;border-radius:9px}.lb-shell-actions a:hover{background:var(--lb-panel)}
.lb-shell-sidebar{grid-area:sidebar;padding:24px 16px;border-right:1px solid var(--lb-line);background:#081310}.lb-shell-sidebar nav{display:grid;gap:6px}
.lb-shell-sidebar a{padding:10px 12px;border-radius:9px;color:var(--lb-muted)}.lb-shell-sidebar a:hover,.lb-shell-sidebar a.is-active{background:var(--lb-panel2);color:var(--lb-text)}
.lb-shell-main{grid-area:main;min-width:0;padding:36px;max-width:1440px;width:100%;margin:0 auto}
.lb-shell-footer{grid-area:footer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 24px;border-top:1px solid var(--lb-line);color:var(--lb-muted);font-size:12px}
.lb-shell-kicker{text-transform:uppercase;letter-spacing:.14em;font-size:11px;color:var(--lb-muted)}
.lb-shell-title{font-size:34px;line-height:1.1;margin:4px 0 10px}.lb-shell-panel{border:1px solid var(--lb-line);border-radius:16px;background:linear-gradient(180deg,#12221dea,#0b1814ea);padding:20px}
.lb-shell-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.lb-shell-button{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:10px;background:var(--lb-accent);color:#082019;font-weight:800}
.lb-shell-secondary{display:inline-flex;padding:9px 13px;border:1px solid var(--lb-line);border-radius:10px}.lb-shell-muted{color:var(--lb-muted)}
@media(max-width:860px){.lb-product-shell{grid-template:64px auto 1fr auto/1fr;grid-template-areas:"header" "sidebar" "main" "footer"}.lb-shell-sidebar{border-right:0;border-bottom:1px solid var(--lb-line);padding:10px 14px}.lb-shell-sidebar nav{display:flex;gap:6px;overflow:auto}.lb-shell-main{padding:24px 16px}.lb-shell-footer{padding:14px 18px;flex-direction:column;align-items:flex-start}.lb-product-name{display:none}}